3925650 has 24 divisors (see below), whose sum is σ = 9735984. Its totient is φ = 1046800.

The previous prime is 3925637. The next prime is 3925667. The reversal of 3925650 is 565293.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12936 + ... + 13235.

It is an arithmetic number, because the mean of its divisors is an integer number (405666).

Almost surely, 2^3925650 is an apocalyptic number.

3925650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3925650 is an abundant number, since it is smaller than the sum of its proper divisors (5810334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3925650 is a wasteful number, since it uses less digits than its factorization.

3925650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26186 (or 26181 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 3925650 is about 1981.3253140259. The cubic root of 3925650 is about 157.7504204737.

The spelling of 3925650 in words is "three million, nine hundred twenty-five thousand, six hundred fifty".